饥饿加载

ribbon:
eager-load:
enabled: true
clients:
- userservice1
- userservice2
ribbon:
eager-load:
enabled: true
clients:
- userservice1
- userservice2
//让程序一直运行
set_time_limit(0);
//设置程序运行内存
ini_set('memory_limit', '128M');
//导出文件名
$fileName = '测试导出数据';
header('Content-Encoding: UTF-8');
header("Content-type:application/vnd.ms-excel;charset=UTF-8");
header('Content-Disposition: attachment;filename="' . $fileName . '.csv"');
//打开php标准输出流
$fp = fopen('php://output', 'a');
//添加BOM头,以UTF8编码导出CSV文件,如果文件头未添加BOM头,打开会出现乱码。
fwrite($fp, chr(0xEF).chr(0xBB).chr(0xBF));
//添加导出标题
fputcsv($fp, ['姓名', '岁数', '邮箱']);
$nums = 10000; //每次导出数量
$count = Test::find()->count();
$step = ceil($count/$nums);//循环次数
for($i = 0; $i < $step; $i++) {
$result = Test::find()
->select(['name', 'age', 'email'])
->limit($nums)
->offset($i * $nums)
->asArray()
->all();
foreach ($result as $item) {
fputcsv($fp, $item);
}
//每1万条数据就刷新缓冲区
ob_flush();
flush();
}
exit;
ssh -i C:\Users\Administrator\.ssh www@192.168.0.92
ssh -o StrictHostKeyChecking=no root@ip
http://mirrors.cloud.aliyuncs.com/centos/6/os/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 – Couldn’t resolve host ‘mirrors.cloud.aliyuncs.com’
是因为已经找不到这个版本的文件了,自然就报错了;将配置文件改为centos7就能找到了
cd /etc/yum.repos.d
vi CentOS-Base.repo
:%s/$releasever/7/g #将文件中$releasever全部改成7
yum clean all
yum repolist
1、聚氨酯、金属钛上涨概率80%
2、锂电池、电力、涂料、化学原料药、光伏逆变器、涤纶等品种66.67%